Ecology Summary - Heniochus acuminatus

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Main Ref.	Masuda, H. and G.R. Allen, 1993
Remarks	Occur inshore (Ref. 75154). Inhabit rocky and coral reefs (Also Ref. 9773) in the Indo-Pacific (Ref. 9137). Inhabit deep, protected lagoons and channels, and the deeper parts of outer reef slopes. Juveniles are often solitary while adults occur in pairs (Refs. 1602, 48636, 9773). Plantivorous species that generally remain within a few meters of the reef. Juveniles may sometimes pick on parasites on the epidermis of other fish (Refs. 5503, 9773). Encountered singly (Also Ref. 129713), in pairs, or small groups, and usually swim close to the bottom (Ref. 54301). Forms schools when feeding. Feeds on zooplankton, amphipods, and small invertebrates (Ref. 9773).

Main Ref.

Masuda, H. and G.R. Allen, 1993

Remarks

Occur inshore (Ref. 75154). Inhabit rocky and coral reefs (Also Ref. 9773) in the Indo-Pacific (Ref. 9137). Inhabit deep, protected lagoons and channels, and the deeper parts of outer reef slopes. Juveniles are often solitary while adults occur in pairs (Refs. 1602, 48636, 9773). Plantivorous species that generally remain within a few meters of the reef. Juveniles may sometimes pick on parasites on the epidermis of other fish (Refs. 5503, 9773). Encountered singly (Also Ref. 129713), in pairs, or small groups, and usually swim close to the bottom (Ref. 54301). Forms schools when feeding. Feeds on zooplankton, amphipods, and small invertebrates (Ref. 9773).

Aquatic zones / Water bodies

	Marine - Neritic	Marine - Oceanic	Brackishwater	Freshwater
Marine zones / Brackish and freshwater bodies	supra-littoral zone littoral zone sublittoral zone	epipelagic mesopelagic epipelagic abyssopelagic hadopelagic	estuaries/lagoons/brackish seas mangroves marshes/swamps	rivers/streams lakes/ponds caves exclusively in caves

Highighted items on the list are where Heniochus acuminatus may be found.

Habitat

Substrate	Benthic; Soft Bottom: sand; mud; Hard Bottom: rocky;
Substrate Ref.	Letourneur, Y., P. Chabanet, P. Durville, M. Taquet, E. Teissier, M. Parmentier, J.-C. Quéro and K. Pothin, 2004
Special habitats	Beds: sea grass; Coral Reefs;
Special habitats Ref.	Nguyen, N.T. and V.Q. Nguyen, 2006

Associations

Ref.
Associations	solitary; schooling;
Associated with
Association remarks
Parasitism

Feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Masuda, H. and G.R. Allen, 1993
Feeding habit	variable
Feeding habit Ref.	Masuda, H. and G.R. Allen, 1993

Trophic Level(s)

Estimation method	Original sample		Unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items	3.75	0.37			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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